Guitar headstock



FIG. 1 is a reduced front perspective view of a guitar headstock showing our new design;

FIG. 2 is another front perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a rear elevational view thereof.

The broken lines of the drawing are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a guitar headstock, as shown and described. 